HIGH CVSS 7.8
Published: 2026-03-26

CVE-2018-25211

alloksoft video_splitter Security Advisory (CVE-2018-25211)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2018-25211 impacting alloksoft video_splitter. Evaluated with CVSS Base Score of 7.8 (HIGH).

Original NVD Description

Source: NIST NVD
Allok Video Splitter 3.1.1217 contains a buffer overflow vulnerability that allows local attackers to cause a denial of service or execute arbitrary code by supplying an oversized string in the License Name field. Attackers can craft a malicious payload exceeding 780 bytes, paste it into the License Name registration field, and trigger the overflow when the Register button is clicked.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
None (PR:N)
Unauthenticated execution
User Interaction
Required (UI:R)
User must click or open resource
Scope
Unchanged (S:U)
Confined to same security context
Confidentiality
High (C:H)
Total information disclosure
Integrity
High (I:H)
Total modification of target system
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product alloksoft / video_splitter
Affected Versions 3.1.1217
Weakness Enumeration CWE-787

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2018-25211 impacting alloksoft video_splitter.

⚡ Nuclei Detection Template (YAML) cve-2018-25211.yaml
id: cve-2018-25211

info:
  name: alloksoft video_splitter - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: high
  description: |
    Automated signature & scanner for CVE-2018-25211 affecting alloksoft video_splitter.
    Evaluation: Allok Video Splitter 3.1.1217 contains a buffer overflow vulnerability that allows local attackers to cause a denial of service or execute arbitrary c...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2018-25211
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    cvss-score: 7.8
    cve-id: CVE-2018-25211
    cwe-id: CWE-787
  tags: cve,cve-2018-25211,alloksoft,video_splitter,high

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "video_splitter"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2018-25211.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2018-25211
# Target: alloksoft video_splitter | CVSS: 7.8 (HIGH)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2018-25211 (alloksoft video_splitter)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against alloksoft video_splitter scope (3.1.1217).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
🛡️ Quick Patch & Remediation Script (Bash) patch_cve-2018-25211.sh
# Recommended Remediation & Patching Commands for CVE-2018-25211
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install video_splitter 2>/dev/null || \
sudo dnf upgrade video_splitter 2>/dev/null || \
sudo yum update video_splitter

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i video_splitter 2>/dev/null || rpm -qa | grep -i video_splitter

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

🛡️ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

🔗 Verified Technical References

Authorities
  • No records filed in this category.
Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2018-25211 in alloksoft video_splitter?

Review vendor-specific security notices and update alloksoft video_splitter packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2018-25211?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2018-25211?

CVE-2018-25211 is classified with a CVSS 3.1 Base Score of 7.8 (HIGH). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
7.8
HIGH SEVERITY
CVE ID CVE-2018-25211
Weakness CWE-787
Vendor alloksoft
Product video_splitter
Published 2026-03-26
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H